Cheapest return BCN–SJU flights, May

AirHint found the following cheapest return flights from Barcelona (BCN) to San Juan (SJU) in May 2026 (see full year).

Return flights

30 May - 12 Jun United
27 May - 03 Jun United
29 May - 14 Jun United
28 May - 08 Jun Lufthansa
26 May - 11 Jun Delta
29 May - 13 Jun Iberia
23 May - 30 May Delta
21 May - 24 May Air France
21 May - 27 May Lufthansa
22 May - 25 May United
22 May - 24 May United
18 May - 26 May Condor
25 May - 31 May Lufthansa
18 May - 27 May Air France
18 May - 21 May Wizz Air UK
20 May - 21 May Vueling Airlines

Also check the deals for one-way flights from Barcelona to San Juan in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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